91280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1$

素因数の和:183

約数の個数: 40

約数和(自身を含む): 244032

約数和(自身を除く): 152752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 280, 326, 560, 652, 815, 1141, 1304, 1630, 2282, 2608, 3260, 4564, 5705, 6520, 9128, 11410, 13040, 18256, 22820, 45640, 91280]

約数ペア:

[(1, 91280), (2, 45640), (4, 22820), (5, 18256), (7, 13040), (8, 11410), (10, 9128), (14, 6520), (16, 5705), (20, 4564), (28, 3260), (35, 2608), (40, 2282), (56, 1630), (70, 1304), (80, 1141), (112, 815), (140, 652), (163, 560), (280, 326)]